Position indicating and communicating device for submerged craft



Sept. 3, 1929. w. R. BLANCHARD 1,726,607

POSITION INDICATING AND COMMUNICATING DEVICE FOR SUBMERGED CRAFT File Feb. 15, 1928 '2 Sheets-Sheet 1 Se t. 3 1

p 929. w. R. BLANCHARD 1,726,607

POSITION INDICATING AND CONEMUNICATING DEVICE FOR SUBMERGED CRAFT Filed Feb. 15, 1928 Sheets-Sheet. 2

A g y in i the halves of :the separable Jreleasing means" or threaded irregularly divided bolt which forms an important part of'my,invention=- Thep-iece 15 is swi'vellygmountedl in the,

bottom of the cage in a manner permitother andfa-re not secured in any wayejjlf desired, the f deck 'ma'y thickened or rein} forced 1 by l the 'plate* *17 @yifrhich? may both strengthenthe'l deck andadd threads rdrehe ting @free 1rotatory imovement but ;'preventing relative vertical movement between the elements 10 and 15. 'The piecelfi is fcomplemental to andinterfitting With'the piece better operation of the releasing' means since i the deck an'dTthe plate are bothjprovideld with registering threa'ded holes? "Numeral 18 indicates an internallyithreaded ineinber i which overlaps the atutti1jig$ends of they pieces lfiand 16- anakeepethem improper relativepposition ,as"Well as preventing the,

' piece, 16 from 9 falling 56s This member u may be a fsuitable unionfor collar as shown or may. be a boss' or extension, of the' plate 17501: deck 16. In practice it may *be neces sary tdprovidepacking for the "screw so; that {water can'mot enterQfliPiece 16 has the hand wheelforfhandlef ie at xas' lower end which is used "tofturnup the screw atthe proper time;

, The age 11; sea firedtoj the deck, as, shown 'clfeafl g 5 inq' contradistinct ion to page coiledthereabout;jsimilarly to rope 13, on cagefIO ,xthe hollow j flexible cable- 20 which contains" Wires. 21- p and, 122 and; any other de 3 sired Ttvires "or connections The top fend 0f y k this cabIeQO-"isffiXed the topfof the pocket 9; so the wires @2l andj 22 emerge therefrom Withinthe dome of the float, as shown, the 5 Wire .21 leading to the {ball antenna 23, a11d thetvire 22 leading to thetelephone 24. The ball "antenna I :23 "and the telephone 24 are suitably located Within the domes The dome is further provided with avvatertight door25fandaprons 26and"2 7.f The "door 25 per its ae ese to 'theinteriorofthe dome a and the instruments locatedtherein; I Aprons 26 and 27 are depending flanges which extend to the deck and prevent Water getting underthe float to" appreciableezitent and; prevent tvavesx' "etc; from having-any ten-f ay Will he riclude dency to displace I the, apparatus."

. @T'he lovver; eiid'fo'f cable 2'Q passes through the deck construction "using" known "Watertight connections, and the vWire's 21 and 22 emergefivithin the nteriorYof thecra ft' or compartment thereoit'glj2 lleading to theradio and 22 to the 1 inside elepherie" as "indicated Fig a he fqieg n5 tar-a brief, sum: v V thispoint, "ljet us assume that the "submarine is disabl'edfand resting under yvater as in FiQ'ureQ. Guard .4 is now first moved out of'engagement Withthe float and assumes apositionsuch as that invention. When the guardis out of the Way, the buoyancy of the float 3 willtend to makes-rise and it will rise, but-only to v y y the amount permitted bythe' length of the as shown but the lpiecesmerely abut each rope, 12*as isv evident. This slight rise,

however, allowsspace for the riseofthe lai' or: boss-18. Immediately the piece 15 is wholly above the deck, the cage isfreed and so, conseq uently, is the float, whereuponthe whole rapidly ascends" to the surface, the

rope 113 and the cable 20 freely uncoilingto, permit the same The final positionof the parts is as shovvn in Figure 7 2 Where rope 13fand cable 20 arefully uncoiledjand freely conneefl the float sand the-submarine." The" cage 11 is: leftbeliindfas; is understood. on the deck, and cage 10 hangs from the float by rope 12,piece15*remainingin-the cage:

Through the ballantenna yany' lsuitable radio communication is possible such as I sending I out SO ST'or messagesof any "kind; Therescue ShipsFca n thusreadily locate the submarine byiflocating'the float.

The telephonev permits, unlimited commu e construction preventsdamage "to the com-- municating ,instruments by the elements while the float is releasedyand' the ldome endaprons prevent a damage to Q or displacement of the communicating instruments and cages,

ropes, anacamjes While the float isi on the deck of thesubmarine; 1

foregoing.

and assembled andisrapid and eflicient in operation; Any number of the devices may Thevvhole can be cheaply andeaeny made Theabove can be readily carriedou'tfin a very short'space of time the advantages will beboth numerousand evident fromthe,

be used, for example, one for each:compart-- ment of the submarine, ifdesired. p i All he above matters are intended toibe more illustrative than limitative'so that I dopnot limit myself thereto except as conf ed in the 'subj oined" claims.

desire to X secure United States is: y i

f 1;. In a devicerof, the character described, deck, a floaton the deck, a guard for preventingfiisplacement of the float, acage Having thus described my invention and illustrated itsnse', what I-claim as new and M at a mit f th connected to the-float between the same and 2. Ina device of the character described, a float, meansfor communication withinthe float, and pockets inv thenndersidefof the m ufioat for the housing ofca'ges carrying means f connection and communication with i th shipmassociated herewith a a 3. In a device of the character described, a deck construction, afloat resting upon said deckfa guard member partially overlying said float, means for communication within said float, pockets in the underside of said- I float, cages housed b said pockets and means associated with eac cage passing through the deck construction in a watertight man 20 ner.

Intestimony whereof I hereunto set my 1 hand this 11th da of Februar 1928.

3 WILL AM R. BL NGHARD. 

